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Ansys Learning Forum Forums Discuss Simulation General Mechanical Preload Force Reaction Problem Reply To: Preload Force Reaction Problem

Armin
Ansys Employee

Hello there,

Part of the applied load will be used to deform the geometry and thus converted to internal energy in the system. That's why you can't simply subtract the applied load from the bolt pre-tension value. I assumed that you locked your bolt after pre-tension (screenshot below) which refers to maintaining the initial adjustment of the bolt pretension constant, allowing the preload force to vary as the model is loaded.